Jonathan Zalevsky sold $19k of NKTR
Chief R&D Officer at NEKTAR THERAPEUTICS. 725 shares at an average of $26.59, traded Aug 19, 2025, filed Aug 21, 2025.
Score components
- +15RoleOfficer
- 0Trade size$19k at market
- 0Share of holdings soldSold 3.6% of holdings
- +15Cluster3 insiders selling within 14 days
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
This signal so far: 1m +96.9%, 3m +96.8%, 6m +163.8%.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0000950170-25-110775, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Aug 19, 2025 | SOpen-market sale Common Stock | -725 | $26.59 | $19k | 19,668 | Aug 21, 2025 |
| Aug 19, 2025 | AGrant or award Stock Optionderivative | +16,666 | $0.00 | $0 | 16,666 | Aug 21, 2025 |
Related signals
Other insiders at NEKTAR THERAPEUTICS and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 38Weak | NEKTAR THERAPEUTICS | Howard W Robin President & CEO | $30k 418 shares | -1% | |
| 23Weak | NEKTAR THERAPEUTICS | Jonathan Zalevsky Chief R&D Officer | $13k 186 shares | -2% | |
| 29Weak | NEKTAR THERAPEUTICS | Jonathan Zalevsky Chief R&D Officer | $398k 5,681 shares | -37% | |
| 48Moderate | NEKTAR THERAPEUTICS | Howard W Robin President & CEO | $1.2M 20,000 shares | -27% | |
| 28Weak | NEKTAR THERAPEUTICS | Jonathan Zalevsky Chief R&D Officer | $336k 5,538 shares | -26% | |
| 38Weak | NEKTAR THERAPEUTICS | Howard W Robin President & CEO | $29k 444 shares | -1% | |
| 23Weak | NEKTAR THERAPEUTICS | Jonathan Zalevsky Chief R&D Officer | $13k 199 shares | -1% | |
| 38Weak | NEKTAR THERAPEUTICS | Howard W Robin President & CEO | $31k 423 shares | -1% | |
| 23Weak | NEKTAR THERAPEUTICS | Jonathan Zalevsky Chief R&D Officer | $13k 180 shares | -1% | |
| 11Weak | NEKTAR THERAPEUTICS | Jonathan Zalevsky Chief R&D Officer | $138k 3,867 shares | -15% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.